Can I move (the view) on a 2-D scale (Only up and down)?
Press &#8679; Shift while pressing the middle mouse button (or scroll wheel) and move the mouse to re-position the window.

Press &#8679; Shift and roll the scroll wheel to move the view up and down.

Press &#9096; Ctrl and roll the scroll wheel to move the view left or right

Press Home to re-center the camera view window.